slederer/Tridora-CPU
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages 3 Wiki Activity Actions

tdraudio: remove pulse/noise waves, add sample buffer and irq

Browse source
This commit is contained in:
slederer 2025-10-04 00:09:10 +02:00
parent 5db9631592
commit 7cc9ee807d
4 changed files with 98 additions and 107 deletions
Download patch file Download diff file Expand all files Collapse all files

22
tridoracpu/tridoracpu.srcs/top.v
View file

@ -228,19 +228,12 @@ module top(
assign uart_tx_data = mem_write_data[7:0];
assign uart_rd_data = { {WIDTH-10{1'b1}}, uart_rx_avail, uart_tx_busy, uart_rx_data };
// interrupt controller
reg timer_tick;
reg[23:0] tick_count;
wire [1:0] irq_in = { timer_tick, uart_rx_avail };
wire [1:0] irqc_rd_data0;
wire [WIDTH-1:0] irqc_rd_data = { tick_count, 6'b0, irqc_rd_data0 };
wire irqc_seten = mem_write_data[7];
wire irqc_cs = io_enable && (io_slot == 3);
wire audio_irq;
`ifdef ENABLE_TDRAUDIO
wire [WIDTH-1:0] tdraudio_wr_data;
wire [WIDTH-1:0] tdraudio_rd_data;
wire tdraudio_rd_en, tdraudio_wr_en;
wire tdraudio_irq;
wire tdraudio_cs_en = io_enable && (io_slot == 4);
assign tdraudio_rd_en = tdraudio_cs_en && mem_read_enable;
@ -253,9 +246,20 @@ module top(
tdraudio_wr_data,
tdraudio_rd_en,
tdraudio_wr_en,
tdraudio_irq,
amp2_ain, amp2_gain, amp2_shutdown_n);
assign audio_irq = tdraudio_irq;
`endif
// interrupt controller
reg timer_tick;
reg[23:0] tick_count;
wire [2:0] irq_in = { audio_irq, timer_tick, uart_rx_avail };
wire [2:0] irqc_rd_data0;
wire [WIDTH-1:0] irqc_rd_data = { tick_count, 5'b0, irqc_rd_data0 };
wire irqc_seten = mem_write_data[7];
wire irqc_cs = io_enable && (io_slot == 3);
assign io_rd_data = (io_slot == 0) ? uart_rd_data :
`ifdef ENABLE_MICROSD
(io_slot == 1) ? spi_rd_data :